6666377264 has 20 divisors (see below), whose sum is σ = 12952095120. Its totient is φ = 3323901120.

The previous prime is 6666377219. The next prime is 6666377281. The reversal of 6666377264 is 4627736666.

It is a super-2 number, since 2×6666377264² = 88881171651952251392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574547 + ... + 586034.

It is an arithmetic number, because the mean of its divisors is an integer number (647604756).

Almost surely, 2^6666377264 is an apocalyptic number.

It is an amenable number.

6666377264 is a deficient number, since it is larger than the sum of its proper divisors (6285717856).

6666377264 is a wasteful number, since it uses less digits than its factorization.

6666377264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160948 (or 1160942 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 53.

The square root of 6666377264 is about 81647.8858513801. The cubic root of 6666377264 is about 1882.0448235344.

The spelling of 6666377264 in words is "six billion, six hundred sixty-six million, three hundred seventy-seven thousand, two hundred sixty-four".